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• 1/9/2013

1

Conducting An

Effective

An introduction to the

Five Step Process of

Job Hazard Analysis

JHA-JSA-SWMS-AHA

Welcome!

Introductions

What do you know about Job Hazard Analysis

(JHAs) ?

Does OSHA require JHAs?

Does a Client, GC, Corp. of Engineers

require one?

Where does it say so?

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Goals

Given the information and exercises in

this workshop, you will be able to:

Explain to others why JHAs are important

Recognize how the JHA can be a valuable

planning, production, profit and safety tool.

Know the five-step process and complete a

JHA

JHA Key Terms

Whats a Job?

Whats a Hazard?

Whats an exposure?

What is Analysis?

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Activity

Workers in their first year with their

employer account for more than 50% of

disabling claims.

Why? Possible explanations

JSA Purpose

Effective JHAs help the employer

recognize and control hazards and

exposures in the workplace.

How might the

employees perception of

a hazard differ from

that of the employer or

supervisor?

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Activity

Why is a JHA more effective than

walk-around inspections in

reducing accidents in the

workplace?

Probability

Probability is defined as: the chance that

a given event will occur.

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Probability

We can determine the safety probability

based on the following:

The number of employees exposed;

The frequency and duration of exposure;

The proximity of employees to the danger

zone;

Probability

We can determine the safety probability

based on the following:

Factors which require work under stress;

Lack of proper training and supervision or

improper workplace design; or

Other factors which may significantly

influence the degree of probability of an

accident occurring.

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Probability

Rating The probability rating is:

Low - If the factors considered indicate it

would be unlikely that an accident could

occur;

Medium - If the factors considered indicate it

would be likely that an accident could occur;

or

High - If the factors considered indicate it

would be very likely that an accident could

occur.

Severity

The degree of injury

or illness which is

reasonably

predictable.

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Severity

The severity is based on the following

schedule:

Other Than Serious - Conditions that could

cause injury or illness to employees but

would not include serious physical harm.

(first aid for example)

Serious Physical Harm - (example: all

recordable injuries and illnesses)

Death

Decision Making Matrix

Severity

Pro

bab

ilit

y

Other

Than

Serious

Serious

Physical

Harm Death

Low

Medium

High

1 2 3

2 4 6

3 6 9

Example 1

4

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Activity

Picking Apples:

There are 20 workers picking apples.

The orchard is made up of 400 trees.

The workers are paid based on how much each one of them picks.

Well-maintained equipment is provided but there is no training. The owner or the foreman will be in the general area most of the time.

Activity

Severity

Prob

ab

ilit

y

Other

Than

Serious

Serious

Physical

Harm Death

Low

Medium

High

1 2 3

2 4 6

3 6 9

Example 1

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JHA Step 1

Step One - Watch the work

being done

What are some effective methods to

watch the work being done?

JHA Step 1

Step One - Watch the work being done

Why is it important to involve the

employee?

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JHA Step 2

Step Two - Break the job down into

steps JHA Number: _______________ Page ____ of ____

Job Description: ____________________________________________________________________

Step 1._____________________________________________________________________________

Hazard(s) Control Measure(s) Required

_____________________________________ ______________________________________

_____________________________________ ______________________________________

_____________________________________ ______________________________________

_____________________________________ ______________________________________

Step 2._____________________________________________________________________________

Hazard(s) Control Measure(s) Required

_____________________________________ ______________________________________

_____________________________________ ______________________________________

_____________________________________ ______________________________________

_____________________________________ ______________________________________

Step 3._____________________________________________________________________________

Hazard(s) Control Measure(s) Required

_____________________________________ ______________________________________

_____________________________________ ______________________________________

_____________________________________ ______________________________________

_____________________________________ ______________________________________

Step 4._____________________________________________________________________________

Hazard(s) Control Measure(s) Required

_____________________________________ ______________________________________

_____________________________________ ______________________________________

_____________________________________ ______________________________________

_____________________________________ ______________________________________

Step 5._____________________________________________________________________________

Hazard(s) Control Measure(s) Required

_____________________________________ ______________________________________

_____________________________________ ______________________________________

_____________________________________ ______________________________________

_____________________________________ ______________________________________

Job Hazard Analysis Worksheet

Step 1

Step 2

Step 3

Step 4

JHA Step 3

Step Three - Describe the hazards in

One of the primary purposes of the JHA is

to make the job safer.

The information gathered in this step will

be valuable in helping to eliminate and/or

reduce hazards associated with the job,

and improve the system weaknesses that

produced them.

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Identifying types of

hazards Fire

Pressure

Work @ heights

Pinch Points

Hot Objects

Access

Chemicals

Dusts

Sharp Objects

Noise

Flammability

Muddy Site conditions

Explosion

Work at Depth

Heat / Cold Exposure

Electricity

Fumes

Weather

High Winds

Underground Utilities

Vibration

Accident Types

Struck-by:

A person is forcefully struck by an object. The force of contact is provided by the object.

Struck-against:

A person forcefully strikes an object. The person provides the force or energy.

Contact-by:

Contact by a substance or material that, by its very nature, is harmful and causes injury.

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Accident Types

Contact-with: A person comes in contact with a harmful substance

or material. The person initiates the contact.

Caught-on: A person or part of his/her clothing or equipment is

caught on an object that is either moving or stationary. This may cause the person to lose his/her balance and fall, be pulled into a machine, or suffer some other harm.

Caught-in: A person or part of him/her is trapped, or otherwise

caught in an opening or enclosure.

Accident Types

Caught-between:

A person is crushed, pinched or otherwise caught between a moving and a stationary object, or between two moving objects.

Fall-to-surface:

A person slips or trips and falls to the surface he/she is standing or walking on.

Fall-to-below:

A person slips or trips and falls to a level below the one he/she was walking or standing on.

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Accident Types

Over-exertion:

A person over-extends or strains himself/herself while

performing work.

Bodily reaction:

Caused solely from stress imposed by free movement

of the body or assumption of a strained or unnatural

body position. A leading source of injury.

Over-exposure:

Over a period of time, a person is exposed to harmful

energy (noise, heat), lack of energy (cold), or

substances (toxic chemicals/atmospheres).

JHA Step 4

Step Four

Control Measures. JHA Number

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